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Windows 7: Can I test all memory at once with Memtest?

I am trying to diagnose a problem with my machine, and in so doing I have run memtest overnight (to test all 8GB of RAM--which takes about 12 hours). However, I've read various places that memtest is only reliable testing one stick at a time (I have 4x2GB). I didn't get any errors in 7 passes with all memory in. Does this mean that I'm fine, or should I go back and test each individually?

If you want to be 100% sure, you could just test each module individually, but if you already tested them all for 7 passes and it didn't give you any errors... that's a good sign.

Did you leave them overnight (all modules)?

And just for knowlegde.. what problems are you having with your machine? BSODs? hanging? lockups?

Thanks for the reply. Yes, left them overnight. I'm having BSODs and lockups, but I've opened a thread for that already--this was just for general knowledge. I'll post more on that thread if these issues continue.

Can I test all memory at once with Memtest?

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